Does A4557 require prior authorization?

No, A4557 does not require prior authorization (high confidence). Code is covered without prior authorization.

What is the Medicare reimbursement rate for A4557?

Medicare facility rate: N/A. Non-facility rate: N/A. Work RVU: 0.00.

HCPCS/CPT

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Work RVU

0.00

Facility

N/A

Non-Facility

N/A

The practitioner ordering the TENS unit and supplies must be the treating practitioner for the disease/condition justifying the need and must monitor the trial period.
A Standard Written Order (SWO) must be communicated to the supplier before a claim is submitted; for DMEPOS base items requiring WOPD, the supplier must have a signed WOPD before delivery.
For purchases after a trial, the treating practitioner must document that the beneficiary is likely to derive significant therapeutic benefit from continuous long-term use.
If a 4-lead unit is ordered for 4-lead use, the medical record must document why 2 leads are insufficient to meet the beneficiary's needs.

A TENS unit is covered when ordered by the treating practitioner for treatment of acute post-operative pain, with coverage as a rental beginning the day of surgery.
A TENS unit is covered for chronic, intractable pain other than chronic low back pain when the presumed etiology is one accepted to respond to TENS therapy.
Coverage for chronic pain requires pain duration of at least 3 months.
Coverage for chronic pain requires that other appropriate treatment modalities have been tried and failed prior to ordering TENS.
A 4-lead TENS may be used when clinically indicated; if ordered for 4-lead use, the medical record must document why 2 leads are insufficient.
Replacement supplies are covered when reasonable and necessary and used with a covered TENS unit (reimbursement contingent on a covered TENS).

L34821 — Transcutaneous Electrical Joint Stimulation Devices (TEJSD)

J19

L33802 — Transcutaneous Electrical Nerve Stimulators (TENS)

J19

AETNA-CPB-0469 — Transcranial Magnetic Stimulation and Cranial Electrical Stimulation

AETNA-CPB-0707 — Headaches: Invasive Procedures

UMR-POL-UMR-electrical-stimulation-treatment-pain-muscle-rehabilitation

Ask Verity about documentation requirements, denial risks, or coverage in your state.